Cell: The Unit of Life Questions

Arrange the following cells in descending order of their size and choose the correct option. Bacteria, Ostrich egg, Mycoplasma, Human RBC:-

Given figure is not concerned with

The 'endomembrane system' of a eukaryotic cell includes;

Match List-I with List-II. Choose the most appropriate answer:

Which of the following statements regarding the bacterial cell envelope and its modifications is incorrect?A. Most prokaryotic cells, particularly bacterial cells, have a chemically complex cell envelope. B. The cell envelope consists of a tightly bo

Identify the correct statements from the following:A. The 'S' in ribosome units stands for Sedimentation Coefficient.B. 70S ribosomes are found in the mitochondria and chloroplasts of eukaryotic cells.C. Prokaryotic ribosomes are about 15 nm by 20 nm

Regarding prokaryotes1. Generally smaller and multiply more rapidly than the eukaryotic cells2. Prokaryotes have a cell wall surrounding the cell membrane3. The fluid matrix filling the cell is the cytoplasm and there is no well-defined nucleus4. The

The given figure is

Which of the following is correctly labelled?

Consider the following statements.A. One of the most important functions of the plasma membrane is the transport of the molecules across it.B. The membrane is selectively permeable to some molecules present on either side of it.C. Many molecules can

Read the following statements about chloroplasts.A. Of the two membranes of chloroplast, the inner membrane is relatively more permeable.B. The lumen contains enzymes required for the synthesis of carbohydrates and proteins.C. The space limited by th

In the given image of mitochondria identify the structure that increase the surface area.

The material of the nucleus (chromatin) was stained and named by:

Which of the following sets of cells lack a nucleus?

The "9+2" arrangement of microtubules is found in:

In animal cells, centrioles are present in:

The eukaryotic 80S ribosome consists of:

Ribosomes were first observed under the electron microscope by:

Thylakoids are arranged in stacks called:

The type of plastid that stores starch is:

70S ribosomes are found in:

Which of the following contains its own DNA and ribosomes?

Infoldings of the inner mitochondrial membrane are called:

Mitochondria are often called:

The membrane of the vacuole is called:

In plant cells, the vacuole can occupy up to ______ of the volume of the cell.

The pH of the interior of a lysosome is:

Lysosomes are formed by the process of packaging in the:

The cis and trans faces of the Golgi apparatus are:

Golgi apparatus was first observed by:

The site for synthesis of lipid-like steroidal hormones in animal cells is:

The endomembrane system includes:

Plasmodesmata are:

Middle lamella is mainly composed of:

The cell wall of algae is made of:

Which of the following is NOT a function of the cell wall in plants?

The tail of a phospholipid molecule is:

According to the Fluid Mosaic Model, the plasma membrane is composed of:

The Fluid Mosaic Model of the cell membrane was proposed by:

Plasmids are:

The genomic DNA of a bacterium is:

The function of mesosomes in prokaryotes includes:

Mesosomes are:

Which of the following has no prokaryotic cell?

Correct order of layers of cell envelope in prokaryotic cells from inner to outer is:

Which of the following are the longest cells in the human body?

The largest isolated single cell is:

Size of bacteria may be:

All cells contain:

Which of the following statements is incorrect?